[1]袁红梅,郭文栋,赵丽娟,等.外源肌醇对玉米耐盐性的影响[J].黑龙江农业科学,2014,(01):17-20.
　YUAN Hong-mei,GUO Wen-dong,ZHAO Li-juan,et al.Effect of Exogenous Inositol on Salt Tolerance of Maize[J].HEILONGJIANG AGRICULTURAL SCIENCES,2014,(01):17-20.
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外源肌醇对玉米耐盐性的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2014年01 页码: 17-20 栏目: 出版日期: 2014-01-10
Title:
Effect of Exogenous Inositol on Salt Tolerance of Maize
文章编号:
1002-2767（2014）01-0017-04
作者:
袁红梅1; 郭文栋2; 赵丽娟1; 吴建忠1; 黄文功1; 宋喜霞1; 于 莹1
1.黑龙江省农业科学院 经济作物研究所，黑龙江 哈尔滨 150086；
2.黑龙江省科学院 自然与生态研究所，黑龙江 哈尔滨 150040
Author(s):
YUAN Hong-mei1; GUO Wen-dong2; ZHAO Li-juan1; WU Jian-zhong1; HUANG Wen-gong1; SONG Xi-xia1; YU Ying1
1.Institute of Industrial Crops,Heilongjiang Academy of Agricultural Sciences，Harbin,Heilongjiang 150086;
2.Institute of Nature and Ecology,Heilongjiang Academy of Sciences，Harbin,Heilongjiang 150040
关键词:
玉米幼苗; 盐胁迫; 外源肌醇; 耐盐性
Keywords:
maize seedling; salt stress; exogenous inositol; salt tolerance
分类号:
S513
文献标志码:
A
摘要:
为探究玉米的抗逆性，以玉米品种龙作2号为材料，采用生理指标检测的方法，通过比较叶绿素、丙二醛和脯氨酸等指标的变化，研究外源肌醇对盐胁迫下玉米幼苗耐盐性的影响。结果表明：盐胁迫24、48 h时，T3组（NaCl+肌醇）的叶绿素含量与T2组（NaCl）的相比分别上升了10.32%、29.29%，差异达到显著水平（P<0.05）；盐胁迫48、72 h时，T3组的丙二醛含量与T2组相比分别下降了21.21%、38.84%，差异达到显著水平（P<0.05）；盐胁迫24、48、72 h时，T3组的脯氨酸含量与T2组相比分别下降了25.00%、47.46%、35.10%，差异均达到显著水平（P<0.05）。说明：施加外源肌醇能够提高玉米幼苗叶绿素含量，降低丙二醛、脯氨酸含量，增强幼苗对盐渍环境的抵抗能力，缓解盐害。
Abstract:
In order to explore the resistance of maize,taking maize hybrid Longzuo 2 as material,using physiological index detection methods,the effect of exogenous inositol on salt tolerance of maize seedling was studied by comparison of the content of chlorophyll,MDA and proline.The results showed that the chlorophyll content of T3(NaCl and inositol)under the salt stress for 24 and 48 h rose 10.32% and 29.29% respectively compared with T2(NaCl),and the difference was significant(P<0.05).The MDA content of T3 under the salt stress for 48 and 72 h reduced 21.21% and 38.84% respectively compared with T2,and the difference was signific-ant(P<0.05).The proline content of T3 under the salt stress for 24,48 and 72 h reduced 25.00%,47.46% and 35.10% respectively compared with T2,and the difference was significant(P<0.05).The results indicated that exogenous inositol could increase the content of chlorophyll and decrease content of MDA and proline,so it could strengthen salt tolerance of maize seedling and alleviate salt stress.

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备注/Memo

第一作者简介：袁红梅（1979-），女，黑龙江省依安县人，博士，助理研究员，从事作物遗传育种研究。E-mail:yuanhm1979@163.com。

更新日期/Last Update: 2014-12-06